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Round|Lab Grown|IGI

1.20ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492123251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123251

Diamond specifications and retailer prices

From $1,224 NZD
As of November 4, 2026
Save $2,120 NZD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,698 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492123251 or 492123251. Listed at 12 retailers as of November 4, 2026, with a 173% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123251
Dimensions6.91 × 6.89 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.91 mm6.89 mm1.20 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123251
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,680 NZD|Low: $1,224 NZD|High: $8,797 NZD|Avg: $4,426 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 7$1,224 NZD
Retailer 9$2,620 NZD
Retailer 13$2,934 NZD
Retailer 10$3,039 NZD
Retailer 12$3,039 NZD
Retailer 14$3,344 NZD
Retailer 4$3,356 NZD
Retailer 2$4,098 NZD
Retailer 11$4,793 NZD
Retailer 8$5,118 NZD
Retailer 3$5,517 NZD
Retailer 5$6,163 NZD
Retailer 6$6,802 NZD
Retailer 1$8,680 NZD

20 data points across 14 retailers

12 retailers$1,224 NZD to $3,344 NZD

B+
Cheapest Retailer
-
$1,224 NZD
B
Retailer 2
-
$2,620 NZD
View
B
Retailer 3
-
$2,851 NZD
View
B
Retailer 4
-
$2,934 NZD
View
Final sale: no returns
B
Retailer 5
-
$3,039 NZD
View
Retailer 6
-
$3,039 NZD
View
Price last confirmed 24 days ago
B
Retailer 7
-
$3,344 NZD
View
Retailer 8
-
$4,793 NZD
View
Price under review
Retailer 9
-
$5,118 NZD
View
Price under review
Retailer 10
-
$5,517 NZD
View
Price under review
Most Expensive
NZ Jewellers
83d27848-2b21-41ff-bcf2-1981091fa5b8 · Nov 3
$5,698 NZD
$3,212 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,224 NZDSave up to $2,120 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.20ct Round
$1,224 NZD